Omega Speedmaster Speedmaster Professional Moonwatch Moon Flag

Reference 3574.50.00

About this watch

The Omega Speedmaster Professional Moonwatch Moon Flag is a limited-release model that stands out in the vast universe of horology. With its bold design and rich history, it's no wonder that this watch has become a coveted piece for enthusiasts and collectors alike. The black dial, with its striking tachymetric scale, is not just a feast for the eyes but also incredibly practical for measuring speed. Crafted from stainless steel, this timepiece is designed to withstand the rigors of both everyday wear and extraordinary adventures. The Omega caliber 1861 hand-wound movement is a true marvel, known for its reliability and precision. With 18 jewels and a power reserve of 48 hours, it's designed to keep you on time. The chronograph function allows you to measure elapsed time with precision, making it easy to track your timing needs. The watch strikes a balance between presence and wearability, measuring 42 mm in diameter and featuring a stainless steel bracelet that complements its aesthetic while adding to its durability. What truly elevates the Omega Speedmaster Professional Moon Flag is its place in history - as part of the Speedmaster family, it carries the legacy of being the first watch worn on the moon.
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Key Features

  • Limited edition with only one unit available
  • Omega caliber 1861 hand-wound movement with 18 jewels and 48-hour power reserve
  • Chronograph function for precise elapsed time measurement
  • Stainless steel case and bracelet
  • 42 mm diameter and 20 mm lug width
  • 50 meter water resistance
  • Plexi glass crystal
  • Tachymeter bezel

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Moon Flag
Reference
3574.50.00
Movement
1861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] 2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,300

2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,300

Omega - 310.32.42.50.04.002 · $7,300
A modern Omega Speedmaster Professional with a lacquered white dial, powered by the Co-Axial Master Chronometer Calibre 3861, featuring a clean and high-contrast look while maintaining the iconic Speedmaster design.

  • Condition: Like new
  • Case size: 42mm diameter
  • Case material: Stainless steel
  • Movement: Manual wind (Omega Calibre 3861 Master Chronometer)
Posted at
Apr 24, 2026, 12:48 PM
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[WTS] Omega Speedmaster ‘57 reference 331.12.42.51.01.001 - Complete set with hang tag, undated

Omega Speedmaster ‘57 reference 331.12.42.51.01.001 - Complete set with hang tag, undated

Omega - 331.12.42.51.01.001
For sale is an Omega Speedmaster '57 reference 331.12.42.51.01.001, complete set with hang tag and undated.

  • Condition: undated
  • Diameter: 42mm
Posted at
Apr 24, 2026, 11:48 AM
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[WTS] 2025 Omega Speedmaster Racing 329.32.44.51.06.001 44MM Full Set

2025 Omega Speedmaster Racing 329.32.44.51.06.001 44MM Full Set

Omega - 329.32.44.51.06.001 · $6,450
This is a 2025 Omega Speedmaster Racing Chronograph with a silver/grey dial and a 44mm case size. It comes as a full set with box, papers, and warranty coverage through January 2030.

  • Condition: Excellent
  • Case Size: 44mm diameter
  • Box And Papers: true
Posted at
Apr 24, 2026, 10:26 AM
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[WTS] 2025 Omega Speedmaster Professional Sapphire

2025 Omega Speedmaster Professional Sapphire

Omega - Speedmaster Professional Sapphire · $6,875
This Omega Speedmaster Professional Sapphire is being sold with a full kit and has been pressure tested at the Omega AD in April. It comes with a luna replica NASA velcro strap for reference.

  • Purchase History: purchased from this subreddit
  • Inclusions: full kit, luna replica NASA velcro strap
  • Wrist Size Reference: 6.5"
Posted at
Apr 24, 2026, 9:48 AM
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[WTS] Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega - 3510.50 · $599
This is an original Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and a folding clasp with tight action.

  • Condition: 94/100 - excellent vintage condition
  • Bracelet reference: 1469
  • Endlinks reference: 811 (pair included)
  • Total links: 22 (full complete set)
Posted at
Apr 24, 2026, 9:10 AM
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[WTS][US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,650
A Omega Speedmaster Calibre 321 in black dial, with a 39.7mm case size and reference number 311.30.40.30.01.001.

  • Condition: pristine with minor hairlines on clasp, case, and bracelet
  • Diameter: 39.7mm
Posted at
Apr 24, 2026, 8:35 AM
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[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $7,975
Up for sale is an Omega Speedmaster Moonwatch Professional - White Dial, in fantastic condition and functions perfectly.

  • Condition: pristine with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm diameter
Posted at
Apr 24, 2026, 8:29 AM
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[WTS] Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Full Set

Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Full Set

Omega - 50th Anniversary Limited Edition · $10,549
A numbered Omega Speedmaster 50th Anniversary Limited Edition, No. 927 of 1,957 pieces, a highly collectible tribute to the original 1957 Speedmaster.

  • Condition: Very good overall condition with honest wear
  • Case size: 42mm diameter
  • Dial material: black enamel
  • Movement type: Omega manual-wind chronograph
Posted at
Apr 23, 2026, 11:59 PM
Active
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[WTS] Omega Speedmaster Date ref. 3211.30.00 40mm | Great Condition (with Box & Serviced) | $2300

Omega Speedmaster Date ref. 3211.30.00 40mm | Great Condition (with Box & Serviced) | $2300

Omega - 3211.30.00 · $2,300
The Omega Speedmaster Date ref. 3211.30.00 is a modern Speedmaster that delivers a lot of watch for the money, with a clean all-silver dial configuration and polished hands creating a refined and versatile look.

  • Condition: great condition
  • Case size: 40mm diameter
  • Lug to lug length: 50mm
  • Thickness: 15mm
Posted at
Apr 23, 2026, 9:27 PM
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